Search a number
-
+
144426823 is a prime number
BaseRepresentation
bin10001001101111…
…00011101000111
3101001202122100121
420212330131013
5243433124243
622155322411
73402415312
oct1046743507
9331678317
10144426823
1174586012
1240450407
1323bca278
1415277979
15ca2d1ed
hex89bc747

144426823 has 2 divisors, whose sum is σ = 144426824. Its totient is φ = 144426822.

The previous prime is 144426803. The next prime is 144426839. The reversal of 144426823 is 328624441.

It is a strong prime.

It is an emirp because it is prime and its reverse (328624441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144426823 - 25 = 144426791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144426803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72213411 + 72213412.

It is an arithmetic number, because the mean of its divisors is an integer number (72213412).

Almost surely, 2144426823 is an apocalyptic number.

144426823 is a deficient number, since it is larger than the sum of its proper divisors (1).

144426823 is an equidigital number, since it uses as much as digits as its factorization.

144426823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36864, while the sum is 34.

The square root of 144426823 is about 12017.7711327850. The cubic root of 144426823 is about 524.6656350143.

The spelling of 144426823 in words is "one hundred forty-four million, four hundred twenty-six thousand, eight hundred twenty-three".